//scroll
$(document).scroll(function(){
	$si = $.position.getWithinInfo();
	$t = $si.scrollTop;
	//tinh toan lun cho toolBar bam sat vao #header
	$h =  $('#header').height();
	$c = $.position.getWithinInfo().scrollTop;
	if($h > $c){
		$v = $h - $c;
		$('#toolBar').css('top',$v);
	}
	else{
		$('#toolBar').css('top',0);
		if($t>146){
			$('#toolBar').addClass('scroll');
		}
		else	
			$('#toolBar').removeClass('scroll');
	}
});